Examples of org.springframework.beans.BeanWrapper

org.springframework.beans.BeanWrapper
The central interface of Spring's low-level JavaBeans infrastructure.
Typically not used directly but rather implicitly via a {@link org.springframework.beans.factory.BeanFactory} or a{@link org.springframework.validation.DataBinder}.
Provides operations to analyze and manipulate standard JavaBeans: the ability to get and set property values (individually or in bulk), get property descriptors, and query the readability/writability of properties.
This interface supports nested properties enabling the setting of properties on subproperties to an unlimited depth.
A BeanWrapper's default for the "extractOldValueForEditor" setting is "false", to avoid side effects caused by getter method invocations. Turn this to "true" to expose present property values to custom editors. @author Rod Johnson @author Juergen Hoeller @since 13 April 2001 @see PropertyAccessor @see PropertyEditorRegistry @see PropertyAccessorFactory#forBeanPropertyAccess @see org.springframework.beans.factory.BeanFactory @see org.springframework.validation.BeanPropertyBindingResult @see org.springframework.validation.DataBinder#initBeanPropertyAccess()

        validatedObjects.add(obj);


        // after all the validation rules where applied, checking what properties of the object require their own
        // validation and recursively calling this method on them.
        CascadeValidation[] cascadeValidations = configuration.getCascadeValidations();
        BeanWrapper wrapper = wrapBean(obj);
        for (int i = 0; i < cascadeValidations.length; i++) {
            CascadeValidation cascadeValidation = cascadeValidations[i];
            Condition applicabilityCondition = cascadeValidation.getApplicabilityCondition();


            if (!applicabilityCondition.check(obj)) {
                continue;
            }


            String propertyName = cascadeValidation.getPropertyName();
            Class propertyType = wrapper.getPropertyType(propertyName);
            Object propertyValue = wrapper.getPropertyValue(propertyName);


            // if the property value is not there nothing to validate.
            if (propertyValue == null) {
                continue;
            }

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        assertEquals("Steven", f.getResult(new Customer("Steven")));
    }


    public void test2() {
        BeanPropertyFunction f = new BeanPropertyFunction("name");
        BeanWrapper bw = new BeanWrapperImpl(new Customer("Steven"));
        assertEquals("Steven", f.getResult(bw));
    }

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   * @return the created XML-RPC struct.
   */
  private XmlRpcStruct createXmlRpcStruct(Object source) {
    XmlRpcStruct xmlRpcStruct = new XmlRpcStruct();


    BeanWrapper beanWrapper = new BeanWrapperImpl(source);
    PropertyDescriptor[] propertyDescriptors = beanWrapper
        .getPropertyDescriptors();


    int propertyDescriptorCount = propertyDescriptors.length;
    for (int i = 0; i < propertyDescriptorCount; i++) {
      PropertyDescriptor propertyDescriptor = propertyDescriptors[i];
      String propertyName = propertyDescriptor.getName();


      if (!"class".equalsIgnoreCase(propertyName)) {
        Object propertyValue = beanWrapper.getPropertyValue(propertyName);


        XmlRpcElement xmlRpcValue = createXmlRpcElement(propertyValue);
        xmlRpcStruct.add(propertyName, xmlRpcValue);
      }
    }

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        return true;
    }


    public void validate(Object target, Errors errors) {


        BeanWrapper beanWrapper = (target instanceof BeanWrapper) ? (BeanWrapper) target : new BeanWrapperImpl(target);


        if (getCustomPropertyEditors() != null) {
            for (Iterator iter = getCustomPropertyEditors().iterator(); iter.hasNext();) {
                CustomPropertyEditor customPropertyEditor = (CustomPropertyEditor) iter.next();


                if (customPropertyEditor.getRequiredType() == null) {
                    throw new IllegalArgumentException("[requiredType] is required on CustomPropertyEditor instances!");
                } else if (customPropertyEditor.getPropertyEditor() == null) {
                    throw new IllegalArgumentException(
                        "[propertyEditor] is required on CustomPropertyEditor instances!");
                }


                if (StringUtils.hasLength(customPropertyEditor.getPropertyPath())) {
                    beanWrapper.registerCustomEditor(customPropertyEditor.getRequiredType(),
                        customPropertyEditor.getPropertyPath(), customPropertyEditor.getPropertyEditor());
                } else {
                    beanWrapper.registerCustomEditor(customPropertyEditor.getRequiredType(),
                        customPropertyEditor.getPropertyEditor());
                }
            }
        }

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        return executeCallable((Callable<?>) callable, properties);
    }


    private ActionResult executeCallable(Callable<?> callable, Map<String, String> properties) {
        BeanWrapper beanWrapper = new BeanWrapperImpl(callable);
        PropertyValues propertyValues = new MutablePropertyValues(properties);


        try {
            beanWrapper.setPropertyValues(propertyValues, true, false);
        } catch (Exception e) {
            LOGGER.debug("Error while setting bean properties", e);
            return new ClassActionResult(e);
        }

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            private static final long serialVersionUID = -958724007591692537L;


            @Override
            protected void onSubmit(final AjaxRequestTarget target, final Form<?> form) {
                final BeanWrapper wrapper = PropertyAccessorFactory
                        .forBeanPropertyAccess(ReportletConfModalPage.this.reportletConf);
                wrapper.setPropertyValue("name", name.getField().getInput());


                // Iterate over properties in order to find UserSearchPanel instances and manually update
                // this.reportletConf with select search criteria - this is needed because UserSearchPanel
                // does not comply with usual Wicket model paradigm.
                for (Iterator<Component> itor = ReportletConfModalPage.this.propView.visitChildren(); itor.hasNext();) {
                    Component component = itor.next();
                    if (component instanceof UserSearchPanel) {
                        // using component.getDefaultModelObjectAsString() to fetch field name (set above)
                        wrapper.setPropertyValue(component.getDefaultModelObjectAsString(),
                                ((UserSearchPanel) component).buildSearchCond());
                    }
                }


                ((ReportModalPage) pageRef.getPage())

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                }
                if (field == null) {
                    return;
                }


                BeanWrapper wrapper = PropertyAccessorFactory
                        .forBeanPropertyAccess(ReportletConfModalPage.this.reportletConf);


                Panel panel;


                if (NodeCond.class.equals(field.getType())) {
                    panel = new UserSearchPanel("value", (NodeCond) wrapper.getPropertyValue(fieldName), false);
                    // This is needed in order to manually update this.reportletConf with search panel selections
                    panel.setDefaultModel(new Model<String>(fieldName));
                } else if (List.class.equals(field.getType())) {
                    if (wrapper.getPropertyValue(fieldName) == null) {
                        wrapper.setPropertyValue(fieldName, new ArrayList());
                    }


                    Class<?> listItemType = String.class;
                    if (field.getGenericType() instanceof ParameterizedType) {
                        listItemType =
                                (Class<?>) ((ParameterizedType) field.getGenericType()).getActualTypeArguments()[0];
                    }


                    FormAttributeField annotation = field.getAnnotation(FormAttributeField.class);


                    if (listItemType.equals(String.class) && annotation != null) {
                        List<String> choices;
                        switch (annotation.schema()) {
                            case UserSchema:
                                choices = schemaRestClient.getSchemaNames(AttributableType.USER);
                                break;


                            case UserDerivedSchema:
                                choices = schemaRestClient.getDerivedSchemaNames(AttributableType.USER);
                                break;


                            case UserVirtualSchema:
                                choices = schemaRestClient.getVirtualSchemaNames(AttributableType.USER);
                                break;


                            case RoleSchema:
                                choices = schemaRestClient.getSchemaNames(AttributableType.ROLE);
                                break;


                            case RoleDerivedSchema:
                                choices = schemaRestClient.getDerivedSchemaNames(AttributableType.ROLE);
                                break;


                            case RoleVirtualSchema:
                                choices = schemaRestClient.getVirtualSchemaNames(AttributableType.ROLE);
                                break;


                            case MembershipSchema:
                                choices = schemaRestClient.getSchemaNames(AttributableType.MEMBERSHIP);
                                break;


                            case MembershipDerivedSchema:
                                choices = schemaRestClient.getDerivedSchemaNames(AttributableType.MEMBERSHIP);
                                break;


                            case MembershipVirtualSchema:
                                choices = schemaRestClient.getVirtualSchemaNames(AttributableType.MEMBERSHIP);
                                break;


                            default:
                                choices = Collections.emptyList();
                        }


                        panel = new AjaxPalettePanel("value", new PropertyModel<List<String>>(
                                ReportletConfModalPage.this.reportletConf, fieldName), new ListModel<String>(choices),
                                true);
                    } else if (listItemType.isEnum()) {
                        panel = new CheckBoxMultipleChoiceFieldPanel("value", new PropertyModel(
                                ReportletConfModalPage.this.reportletConf, fieldName), new ListModel(Arrays
                                .asList(listItemType.getEnumConstants())));
                    } else {
                        if (((List) wrapper.getPropertyValue(fieldName)).isEmpty()) {
                            ((List) wrapper.getPropertyValue(fieldName)).add(null);
                        }


                        panel = new MultiValueSelectorPanel("value", new PropertyModel<List>(
                                ReportletConfModalPage.this.reportletConf, fieldName), buildSinglePanel(
                                field.getType(), fieldName, "panel"));

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        if (parent != null) {
          /*
           * Invoke the method and return the list type thing (it can be an
           * Array, List, Set or Map)
           */
          BeanWrapper wrapper = new BeanWrapperImpl (parent);
  
          Object listTypeThing = wrapper.getPropertyValue( childCollectionProperty() );


            if (logger.isDebugEnabled()) {
                logger.debug(String.format("returning %s from getChildCollection(parent=%s)",listTypeThing, parent));
            }
            return listTypeThing;

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     * @throws SecurityException 
     * @throws Exception
     *             Some problem.
     */
    private void setChildCollectionIntoParentObject( Object parent, Object newCollection ) {
            BeanWrapper wrapper = new BeanWrapperImpl(parent);
            wrapper.setPropertyValue( this.childCollectionProperty, newCollection);
    }

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        /**
         * Iterate through children looking for child with id of id passed.
         */
        while(iterator.hasNext()){
            Object object = iterator.next();
            BeanWrapper wrapper = new BeanWrapperImpl(object);
            Long idPropertyValue = (Long) wrapper.getPropertyValue(this.idPropertyName);
            if (id.equals(idPropertyValue)) {
                child = (Serializable) object;
                break;
            }
        }

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